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利用顶芒山羊草（ＡｅｇｉｌｏｐｓｃｏｍｏｓａＳｉｂｔｈ和Ｓｍ２ｎ＝１４，ＭＭ）与四倍体小麦杂交合成双二倍体（ＡＡＢＢＭＭ），以其为桥梁与普通小麦品种欧柔回交，通过花药培养和配子选择，在花培材料后代中获得了具有顶芒山羊草Ｍ染色体的代换系（２ｎ＝４２）。利用小麦７个部分同嵲慈海保锤龀ざ瘫凵系模常父觯遥疲蹋蟹肿颖昙羌ㄐ÷蠡ㄒ┡嘌唇ǖ拇幌怠＃樱铮酰簦瑁澹恚猓欤铮簦椋睿缃峁砻鞔蟛糠痔秸胛薅嗵裕谒牟糠滞慈荷系模保备觯遥疲蹋刑秸氡硐中÷螅矗娜旧宥Вッ⑸窖虿荩矗腿旧逄砑印Ｓ纱巳范ǜ么幌滴÷螅ッ⑸窖虿荩矗停ǎ矗模┮齑幌
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